PyPi: Bikeshed

CVE-2021-23422

Safety vulnerability ID: 41179

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Aug 16, 2021 Updated at Mar 09, 2024

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Advisory

Bikeshed version 3.0.0 includes a fix for CVE-2021-23422:
When an untrusted source file containing Inline Tag Command metadata is processed or when an arbitrary OS command is executed, the command output would be included in the HTML output.
https://github.com/tabatkins/bikeshed/commit/b2f668fca204260b1cad28d5078e93471cb6b2dd

Affected package

bikeshed

Latest version: 4.1.6

A document-authoring tool mainly intended for web specifications.

Affected versions

Fixed versions

Vulnerability changelog

This affects the package bikeshed before 3.0.0. This can occur when an untrusted source file containing Inline Tag Command metadata is processed. When an arbitrary OS command is executed, the command output would be included in the HTML output. See CVE-2021-23422.

MISC:https://github.com/tabatkins/bikeshed/commit/b2f668fca204260b1cad28d5078e93471cb6b2dd: https://github.com/tabatkins/bikeshed/commit/b2f668fca204260b1cad28d5078e93471cb6b2dd
MISC:https://snyk.io/vuln/SNYK-PYTHON-BIKESHED-1537646: https://snyk.io/vuln/SNYK-PYTHON-BIKESHED-1537646

Resources

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Severity Details

CVSS Base Score

HIGH 7.8

CVSS v3 Details

HIGH 7.8

Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality Impact (C): HIGH
Integrity Impact (I): HIGH
Availability Availability (A): HIGH

CVSS v2 Details

MEDIUM 6.8

Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (Au): NONE
Confidentiality Impact (C): PARTIAL
Integrity Impact (I): PARTIAL
Availability Impact (A): PARTIAL